EP3405325A1 - Werkzeug zum anspritzen eines formteils an ein extrudat - Google Patents
Werkzeug zum anspritzen eines formteils an ein extrudatInfo
- Publication number
- EP3405325A1 EP3405325A1 EP16834272.3A EP16834272A EP3405325A1 EP 3405325 A1 EP3405325 A1 EP 3405325A1 EP 16834272 A EP16834272 A EP 16834272A EP 3405325 A1 EP3405325 A1 EP 3405325A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- extrudate
- flange
- tool
- closure
- tool according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C45/14409—Coating profiles or strips by injecting end or corner or intermediate parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14122—Positioning or centering articles in the mould using fixed mould wall projections for centering the insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2621/00—Use of unspecified rubbers for preformed parts, e.g. for inserts
Definitions
- the invention relates to a tool for molding a molded part to an extrudate, wherein the extrudate and the molded part for forming a seal, in particular on a vehicle body, provided and at least the extrudate is attachable to a support flange, with a plurality, together with the extrudate defining a mold space Tool parts comprising a base part and a closure part to be mounted under closure of the mold space on the base part, wherein one of the tool parts is provided with a flange receiving the extrudate.
- Injection tools of this type are known by use.
- the one end portion of the extrudate receiving and engaging in a longitudinal channel of the extrudate flange of these known injection molding tools projects from the base part.
- the extrudate can be attached to the base part.
- the opening of the flange or support flange receiving longitudinal channel which is preferably formed by a U-shaped mounting portion of the extrudate, faces the base part.
- a new tool of the aforementioned type is provided over these known prior art, which is characterized in that the flange protrudes from the closure part in a direction to the base part.
- the inventive arrangement of the flange within the tool to form the closure member such that after assembly of the extrudate
- the extrudate remains at least partially visible and accessible, unlike the prior art. This makes it possible, for example, for lips or other geometries, which were insufficiently visible in the prior art, to become sufficiently visible and controllable.
- the base part forms a lower tool part and the closure part an upper tool part. Accordingly, the flange protrudes downwards. The opening of the flange receiving the longitudinal channel in the extrudate points upward.
- the base part and the closure part expediently have the basic shape of a plate and the flange protrudes perpendicular to the base part or obliquely to the plane of the base and / or closure part.
- the closure part is preferably formed in several parts with a flange having the portion.
- the closure part can be built successively by assembling the sections.
- the portion of the closure part having the flange is mountable on the base part and / or on at least one further part of the closure part, together with the extrudate attached to the flange.
- the flange may be arranged on the section such that the extrudate is visible and accessible on one side of the flange prior to assembly of at least one further section.
- the mold space may be provided for forming an end piece or intermediate piece, which adjoins a sealing strand formed by the extrudate.
- an intermediate piece is a corner part of a door of the window seal.
- the mold space is provided for forming a molded part which is injection-molded onto a strand element spread apart from the extrudate and separated from the extrudate by an incision, in particular to a flying lip.
- a lip with a flocking be provided layer.
- the end piece or intermediate piece can then be injection-molded onto the spread lip and thus the flocking layer is continuously transferred to the molded part.
- Said strand element may project beyond an end face of the extrudate into the molding space.
- the part having the flange stop and / or marking means may be provided for the arrangement of the extrudate in a predetermined position with respect to the mold space.
- FIG. 2 shows a cross-sectional view of the injection mold of FIG. 1 according to section l-l
- Fig. 3 is an assembly of the injection mold of Fig. 1 and 2 explanatory illustration
- Fig. 4 is an injection mold according to the prior art.
- An injection molding tool 1 is used to inject an end piece to an extruded sealing strip 2 for the formation of a seal, e.g. on a vehicle body.
- FIG. 1 shows the contours of the injection-molding tool 1, the sealing strip 2 and the forming space 3 resulting in plan view.
- the sealing strip 2 projects into the tool 1 with an end section 4 and in the example in question limits the forming space 3 with one of the cross-sectional areas of the extrudate corresponding end face 5 and a portion 6 of its lateral surface.
- the end piece to be sprayed is a molded part that extends both in the longitudinal direction of the profiled sealing strip extends laterally from its end face as well as transversely to the sealing strip 1 beyond its cross-sectional area.
- the tool 1 is designed in several parts and consists of a lower, a base part forming tool part 7 and an upper, a final part to be assembled closure part forming tool part 8.
- the tool has the sections 9 to 1 3, which partially represent the contour of the injection-molded part. Between the plate-shaped tool parts 7, 8 in their basic form, the end section 4 of the profiled sealing strand 2 is enclosed.
- the end portion 4 of the sealing strip 2 is attached to a flange 1 5 of the section 1 1 according to arrow 1 4 of Fig. 3, wherein the flange 1 5 in an approximately
- U-shaped mounting portion 1 6 of the sealing strip 2 engages.
- the portion 1 1 is in a position remote from the tool 1 and in a position which allows a comfortable attachment of the sealing strip 2 on the flange 1 5 from above.
- the portion 1 1 may be coupled directly to the tool in another embodiment.
- the portion 1 1 can then be mounted together with the attached sealing strip 2 on the tool 1. After assembly of the section 1 1 with the attached sealing strip 2 it then requires to complete the tool and assembly of the closure part 8 only the attachment of the sections 9 thirteenth
- Fig. 2 it can be seen in the built-in tool 1 position of the section 1 1 whose flange 15 of the portion 1 1 down in the direction of the lower, forming a base part of the tool part 7.
- the flange 15 extends approximately perpendicular to the plane of the two tool parts 7,8.
- the flange could also be arranged obliquely, for example at an angle of 60 0 to the vertical axis of the tool.
- a portion 1 1 'with a flange 15' part of a base tool part 7 'and the flange 15' is of the portion 1 1 'in the direction of a finally to be assembled closure tool part 8 'before.
- a tongue 18 of the sealing strip 2 is visible and accessible before the final attachment of the tool section 12.
- the tongue 18 may have a flocking layer, a special lacquer layer or a PE layer 19.
- the flying tongue portion could extend beyond the end face 5 of the sealing strip 2.
- the tool portion 1 1 could have marking and / or stop means, is ensured by the fact that the end face 5 is in the assembled state of the assembled portion 1 1 in the required position with respect to the mold space 3.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016100700.5A DE102016100700A1 (de) | 2016-01-18 | 2016-01-18 | Werkzeug zum Anspritzen eines Formteils an ein Extrudat |
PCT/EP2016/001949 WO2017125116A1 (de) | 2016-01-18 | 2016-11-21 | Werkzeug zum anspritzen eines formteils an ein extrudat |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3405325A1 true EP3405325A1 (de) | 2018-11-28 |
Family
ID=57995165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16834272.3A Withdrawn EP3405325A1 (de) | 2016-01-18 | 2016-11-21 | Werkzeug zum anspritzen eines formteils an ein extrudat |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3405325A1 (de) |
DE (1) | DE102016100700A1 (de) |
WO (1) | WO2017125116A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021128129A1 (de) * | 2021-10-28 | 2023-05-04 | Cqlt Saargummi Technologies S.À.R.L. | Verfahren zur Herstellung eines Dichtungselements, Positionierelement und Dichtungselement mit einem derartigen Positionierelement |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03248819A (ja) * | 1990-02-28 | 1991-11-06 | Toyoda Gosei Co Ltd | ウエザストリップ端末の型成形部の成形方法 |
JPH0813622B2 (ja) * | 1990-04-12 | 1996-02-14 | 豊田合成株式会社 | ウエザストリップの型成形接続方法 |
DE10260485B3 (de) * | 2002-12-21 | 2004-09-09 | Saargummi Gmbh | Verfahren und Vorrichtung zur Herstellung extrudierter Dichtungsprofile mit Formteilen |
US20070190294A1 (en) * | 2003-09-24 | 2007-08-16 | Green Tokai Co., Ltd. | Deep c parts and method of molding |
JP4403928B2 (ja) * | 2004-08-31 | 2010-01-27 | 日本プラスト株式会社 | 加飾樹脂成形品及び加飾樹脂成形品の製造方法 |
JP5873887B2 (ja) * | 2013-05-15 | 2016-03-01 | 東芝機械株式会社 | 成形品製造装置及び成形品の製造方法 |
-
2016
- 2016-01-18 DE DE102016100700.5A patent/DE102016100700A1/de not_active Withdrawn
- 2016-11-21 EP EP16834272.3A patent/EP3405325A1/de not_active Withdrawn
- 2016-11-21 WO PCT/EP2016/001949 patent/WO2017125116A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
WO2017125116A1 (de) | 2017-07-27 |
DE102016100700A1 (de) | 2017-07-20 |
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Legal Events
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